#312387#312387

#312387 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.6% C 0.157 H 280.7°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#312387
RGB	rgb(49, 35, 135)
HSL	hsl(248, 59%, 33%)
HSV	hsv(248, 74%, 53%)
CMYK	cmyk(63.7%, 74.1%, 0%, 47.1%)
CIE-LAB	lab(22.32, 36.55, -53.54)
CIE-LCH	lch(22.32, 64.82, 304.32°)
OKLab	oklab(34.62% 0.0292 -0.1544)
OKLCH	oklch(34.62% 0.157 280.7)
XYZ	xyz(6.2394, 3.6038, 23.2838)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312387 #798723

analogous

#234787 #312387 #632387

triadic

#312387 #873123 #238731

tetradic

#312387 #872347 #798723 #238763

square

#312387 #872347 #798723 #238763

split-complementary

#312387 #876323 #478723

monochromatic

#0E0A26 #1F1656 #312387 #4330B8 #6452D2

Accessibility & contrast

On white

12.20

#312387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#312387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312387

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312387	#FFFFFF	#000000	##FFFFFF
##312387	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398A

Deuteranopia (green-blind)

#003285

Tritanopia (blue-blind)

#003F52

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #312387;
/* rgb */ color: rgb(49, 35, 135);
/* oklch */ color: oklch(34.6% 0.157 280.7);

Tailwind

colors: {
  custom: {
    50: '#7560ab',
    500: '#312387',
    950: '#000000',
  },
}

SCSS

$custom: #312387;
$custom-light: #7560ab;
$custom-dark: #000000;

JSON

{
  "hex": "#312387",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 135
  },
  "hsl": {
    "h": 248.4,
    "s": 58.824,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34617,
    "c": 0.15713,
    "h": 280.7
  },
  "luminance": 0.03604
}

Semantic roles & 50–950 ramp

primary

#312387

secondary

#A8B650

accent

#E246CC

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #312387

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →